chatwoot up to 4.11.2 Webhook API lib/webhooks/trigger.rb Webhooks::Trigger url server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k1.62

Summaryinfo

A vulnerability was found in chatwoot up to 4.11.2. It has been rated as critical. Affected by this issue is the function Webhooks::Trigger in the library lib/webhooks/trigger.rb of the component Webhook API. Performing a manipulation of the argument url results in server-side request forgery. This vulnerability was named CVE-2026-5205. The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, was found in chatwoot up to 4.11.2. This affects the function Webhooks::Trigger in the library lib/webhooks/trigger.rb of the component Webhook API. The manipulation of the argument url with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability.

This vulnerability is uniquely identified as CVE-2026-5205. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17532). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/31/2026 Advisory disclosed
03/31/2026 +0 days VulDB entry created
03/31/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2026-5205 (🔒)
GCVE (CVE): GCVE-0-2026-5205
GCVE (VulDB): GCVE-100-354333
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/31/2026 10:53
Updated: 03/31/2026 20:49
Changes: 03/31/2026 10:53 (56), 03/31/2026 20:49 (1)
Complete: 🔍
Submitter: Ghufran Khan
Cache ID: 216:134:103

Submitinfo

Accepted

  • Submit #780305: Chatwoot 4.11.2 Server-Side Request Forgery (by Ghufran Khan)

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